preliminary cast

例句：

1. 1. The director wanted to see how the actors would handle a preliminar cast.
   导演想要看看演员们如何应对初步的试镜。
2. 2. The contestants were given a preliminar cast to prepare for their performance.
   参赛者被给予了一个初步的试镜，以准备他们的表演。
3. 3. The producer had a preliminar cast of actors ready to audition for the lead role.
   制片人已经准备好了一组演员的初步试镜名单，以备选演主角。